#include <bits/stdc++.h>
using namespace std;

int main() {
    int N;
    cin >> N;
    int sum = (1+N)*N/2;
    vector<int>ans(N);
    for(int i = 0; i < N-1; i++) {
        cout << "? " << i+2 << " " << N << endl;
        int a;
        cin >> a;
        ans[i] = sum-a;
        sum = a;
    }
    ans[N-1] = sum;
    cout << "! " << endl;
    for(int i = 0; i < N; i++) {
        cout << ans[i];
        if(i+1 != N) {
            cout << " ";
        }
    }
    cout << endl;
}
/*
4 3 2 1 */